MCQ Subject: Logical & Analytical Reasoning

An argument claims, ‘Since all successful entrepreneurs work long hours, working long hours guarantees success.’ What is the primary flaw in this reasoning?

Identify the contrapositive of the statement: ‘If a shape is a square, then it has four sides.’,

If all Historians are Researchers and some Researchers are Professors, which conclusion is necessarily valid?

A sequence is given: 2, 5, 10, 17, 26, ?. Identify the next number in the sequence.

If all books in the library are either fiction or non-fiction, and all fiction books are arranged alphabetically, which conclusion is necessarily true?

An argument states, ‘Since all successful entrepreneurs have a strong online presence, having a strong online presence guarantees success as an entrepreneur.’ What type of logical fallacy does this argument commit?

Five people – Ava, Liam, Ethan, Ruby, and Caleb – are seated in a row for a photo. The following conditions apply: Ava sits to the immediate left of Liam, Ethan sits to the immediate right of Ruby, and Caleb is at one of the ends. If Ruby is not at either end, which of the following arrangements is POSSIBLE?

Which logical argument form is exemplified by: ‘All cats are animals. Some pets are cats. Therefore, some pets are animals.’

Read the argument below and choose the most logically consistent conclusion. Premise 1: All successful entrepreneurs have a strong online presence. Premise 2: Rachel has significantly increased her online presence over the last year. Which conclusion can be most logically drawn?

An argument claims, ‘Since most people in the town support the new policy, it must be a good policy.’ Which type of logical fallacy does this argument commit?